Using Significant Figures Adding or Subtracting

Significant Figures Rules: 1) All nonzero digits are significant. 2) Zeros between significant digits are significant. 3) Zeros to the left of nonzero digits are not significant. 4) Zeroes at the end of a number are significant only if they are to the right of the decimal point. Significant Figures Examples Number Significant Figures 70.2 3 0.045 2 ................
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